*2300 - 题库 - CZOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	487	P1712E1 LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers *2300	0 / 0	8
	399	P1728E Red-Black Pepper brute force data structures greedy math number theory *2300	0 / 0	8
	335	P1738E Balance Addicts combinatorics dp math two pointers *2300	0 / 0	8
	297	P1743F Intersection and Union data structures dp matrices probabilities *2300	0 / 0	8
	271	P1748E Yet Another Array Counting Problem binary search data structures divide and conquer dp flows math trees *2300	0 / 0	8
	177	P1766E Decomposition binary search brute force data structures divide and conquer dp two pointers *2300	0 / 0	8
	165	P1768E Partial Sorting combinatorics math number theory *2300	0 / 0	8
	83	P1780F Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings *2300	0 / 0	8
	77	P1781E Rectangle Shrinking binary search brute force data structures greedy implementation two pointers *2300	0 / 0	8
	68	P1783E Game of the Year brute force data structures math number theory *2300	0 / 0	8
	29	P1790G Tokens on Graph constructive algorithms dfs and similar graphs shortest paths *2300	0 / 0	8
	8524	P1798E Multitest Generator brute force dp *2300	0 / 0	8
	8723	P1842E Tenzing and Triangle data structures dp geometry greedy math *2300	0 / 0	8
	8712	P1843F2 Omsk Metro (hard version) data structures dfs and similar divide and conquer dp math trees *2300	0 / 0	8
	8881	P1895E Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers *2300	0 / 0	8
	8968	P1943C Tree Compass constructive algorithms dfs and similar greedy trees *2300	0 / 0	8
	9108	P1967C Fenwick Tree bitmasks brute force combinatorics data structures dp math trees *2300	0 / 0	8
	9084	P1970B3 Exact Neighbours (Hard) constructive algorithms *2300	0 / 0	8
	9074	P1970F1 Playing Quidditch (Easy) implementation *2300	0 / 0	8
	9073	P1970F2 Playing Quidditch (Medium) implementation *2300	0 / 0	8
	9072	P1970F3 Playing Quidditch (Hard) implementation *2300	0 / 0	8
	9027	P1977D XORificator bitmasks brute force greedy hashing *2300	0 / 0	8

根据当前过滤条件随机选择一道题